What is digested in the anaerobic sludge dige | vedclass

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(A) In the process of sewage treatment,the primary sludge and the supernatant from the settling tanks are passed into large tanks called anaerobic slu

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Anaerobic bacteria and fungi

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(A) In the process of sewage treatment,the primary sludge and the supernatant from the settling tanks are passed into large tanks called anaerobic sludge digesters. In these tanks,other kinds of bacteria,which grow anaerobically,digest the bacteria and the fungi in the sludge. During this digestion,bacteria produce a mixture of gases such as methane,hydrogen sulphide,and carbon dioxide,which form biogas.

What is digested in the anaerobic sludge digester?

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